E-GEOD-50424
Ontology highlight
ABSTRACT:
OTHER RELATED OMICS DATASETS IN: PRJNA217502
PROVIDER: E-GEOD-50424 | ExpressionAtlas | 2019-05-14
REPOSITORIES: ExpressionAtlas
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| E-GEOD-50424-analysis-methods.tsv | Tabular | |||
| E-GEOD-50424-analytics.tsv | Tabular | |||
| E-GEOD-50424-analytics.tsv.undecorated | Tabular | |||
| E-GEOD-50424-analytics.tsv.undecorated.unrounded | Tabular | |||
| E-GEOD-50424-analytics.tsv.unrounded | Tabular |
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Project description:Characterization of genome-wide transcriptional changes in liver and adipose tissues of ZDF (fa/fa) rats fed R-α-lipoic acid by next-generation sequencing
| PRJNA217502 | ENA
Project description:We report on the characterization of lipogenic tissue transcriptional networks that support physiological responses of obese rats to a lipid-lowering bioactive food compound, R-a-lipoic acid (LA). Nine-week old male ZDF (fa/fa) rats were fed a chow diet supplemented with 3 g LA per kg diet or pair fed for two weeks. At the end of the trial, high-quality RNA was extracted from the liver and epididymal fat and subjected to transcriptome analysis using RNA-Seq technology. Results showed a substantially higher number of differentially expressed genes (DEG, q ⤠0.05 and absolute log2(fold change) ⥠1) in liver (110 genes) vs. epididymal fat (10 genes). Most epididymal fat DEG were also differentially expressed in liver and shared directionality of change. Gene Ontology (GO) analysis of these transcripts revealed significant enrichment of GO categories related to immune response, stress response, lipid metabolism, and carboxylic acid metabolic processes. Of interest interferon-related genes involved in defense against microorganism and innate immune response were induced by LA. Lipid metabolism-related transcript changes observed in LA-fed animals included downregulation of lipogenic genes (Pnpla3, Pnpla5, Elov6, Acly, Gpam, and Aacs) and concomitant upregulation of short-, medium- and long-chain fatty acid metabolic processes (Acot1, Acot2, Acsf2, and Crat). Transcriptional changes were accompanied by the lowering of abdominal adiposity and blood triacylglycerol levels. We conclude that LA dietary supplementation induces prominent gene expression changes in liver in support of significant improvement of whole-body lipid status For each tissue and feed combination (liver/LA+, liver/LA-, adipose/LA+, and adipose/LA-) the transcriptome was sequenced with 4 biological replicates.
2014-01-08 | E-GEOD-50424 | biostudies-arrayexpress
Project description:Next Generation Sequencing of liver and subcutaneous fat tissues obtained from obese subjects
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Project description:Next Generation Sequencing identifying the dosage compensation state in human endometrial carcinoma and adjacent tissues
2025-01-24 | E-GEOD-56087 | ExpressionAtlas
Project description:We report on the characterization of lipogenic tissue transcriptional networks that support physiological responses of obese rats to a lipid-lowering bioactive food compound, R-a-lipoic acid (LA). Nine-week old male ZDF (fa/fa) rats were fed a chow diet supplemented with 3 g LA per kg diet or pair fed for two weeks. At the end of the trial, high-quality RNA was extracted from the liver and epididymal fat and subjected to transcriptome analysis using RNA-Seq technology. Results showed a substantially higher number of differentially expressed genes (DEG, q ≤ 0.05 and absolute log2(fold change) ≥ 1) in liver (110 genes) vs. epididymal fat (10 genes). Most epididymal fat DEG were also differentially expressed in liver and shared directionality of change. Gene Ontology (GO) analysis of these transcripts revealed significant enrichment of GO categories related to immune response, stress response, lipid metabolism, and carboxylic acid metabolic processes. Of interest interferon-related genes involved in defense against microorganism and innate immune response were induced by LA. Lipid metabolism-related transcript changes observed in LA-fed animals included downregulation of lipogenic genes (Pnpla3, Pnpla5, Elov6, Acly, Gpam, and Aacs) and concomitant upregulation of short-, medium- and long-chain fatty acid metabolic processes (Acot1, Acot2, Acsf2, and Crat). Transcriptional changes were accompanied by the lowering of abdominal adiposity and blood triacylglycerol levels. We conclude that LA dietary supplementation induces prominent gene expression changes in liver in support of significant improvement of whole-body lipid status
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Project description:Using RNA-seq, 39 cerebral cortex RNA samples were sequenced. The study design was as follows: Ad libitum fed rats at 6 months (n=3, 6 individuals pooled), 12 months (n=3, 6 individuals pooled) and 28 months (n=3, 6 individuals pooled). Calorie restricted rats at 6 months (n=3, 6 individuals pooled), 12 months (n=3, 6 individuals pooled) and 28 months (n=3, 6 individuals pooled). Rats fed alpha lipoic acid as a supplement to ad libitum at 12 months (n=3, 6 individuals pooled) and 28 months (n=3, 6 individuals pooled). Diet switching groups, where diet was changes at 12 months; 28 month ad libitum switched to calorie restriction (n=3, 6 individuals pooled), 28 month calorie restriction switched to ad libitum (n=3, 6 individuals pooled), 28 month ad libitum plus lipoic acid switched to calorie restriction (n=3, 6 individuals pooled), 28 month calorie restriction switched to ad libitum plus lipoic acid (n=3, 6 individuals pooled).
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Project description:Using RNA-seq, 39 cerebral cortex RNA samples were sequenced. The study design was as follows: Ad libitum fed rats at 6 months (n=3, 6 individuals pooled), 12 months (n=3, 6 individuals pooled) and 28 months (n=3, 6 individuals pooled). Calorie restricted rats at 6 months (n=3, 6 individuals pooled), 12 months (n=3, 6 individuals pooled) and 28 months (n=3, 6 individuals pooled). Rats fed alpha lipoic acid as a supplement to ad libitum at 12 months (n=3, 6 individuals pooled) and 28 months (n=3, 6 individuals pooled). Diet switching groups, where diet was changes at 12 months; 28 month ad libitum switched to calorie restriction (n=3, 6 individuals pooled), 28 month calorie restriction switched to ad libitum (n=3, 6 individuals pooled), 28 month ad libitum plus lipoic acid switched to calorie restriction (n=3, 6 individuals pooled), 28 month calorie restriction switched to ad libitum plus lipoic acid (n=3, 6 individuals pooled). Transcriptional profiling of the ageing cerebral cortex at 6, 12 and 28 months and the effect of diet on age and longevity, using carlorie restriction and alpha lipoic acid supplementation
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Project description:We characterized the insulin sensitivity and multi-tissue gene expression profiles of lean and insulin resistant, obese Zucker rats untreated or treated with one of four PPARγ ligands (pioglitazone, rosiglitazone, troglitazone, and AG035029). We analyzed the transcriptional profiles of adipose tissue, skeletal muscle, and liver from the rats and determined whether ligand insulin-sensitizing potency was related to ligand-induced alteration of functional pathways. Ligand treatments improved insulin sensitivity in obese rats, albeit to varying degrees. Male Zucker fatty (fa/fa) and lean (fa/+) rats (Charles River, Wilmington, MA) were received at 6 weeks of age. Fatty rats were weight-matched upon arrival and randomly divided into one of five experimental groups. The fatty rat groups varied by the type of chow they were fed - normal chow alone or with a PPARγ ligand admixture: normal chow (fatty control, FC), rosiglitazone-treated (Rosi), pioglitazone-treated (Pio), troglitazone-treated (Tro), or AG035029-treated (AG). Lean control (LC) rats were all fed normal chow. Rats groups were maintained on the diets for 21 days. Adipose tissue (epididymal), skeletal muscle (gastrocnemius), and liver were harvested from lean (LC) and insulin resistant, obese Zucker rats untreated (FC) or treated with one of four PPARγ ligands (pioglitazone [Pio], rosiglitazone [Rosi], troglitazone [Tro], and AG035029 [AG]).
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